Which scientist demonstrated that only the green parts of plants are capable of releasing oxygen?

Who discovered that light is essential for releasing oxygen in plants?

The carbon isotope used for the study of photosynthesis is ........

One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of

The fact that oxygen released during photosynthesis comes from water was proved by $O^{18}$ isotope experiments conducted by:

$A$ milestone contribution to the understanding of photosynthesis was made by Cornelius van Niel,which was based on the studies of